发明名称 SLIT NECK SPUNBOND PROCESS AND MATERIAL
摘要 <p>A process for making a plurality of necked nonwoven strips having similar or identical cross-directional profiles includes the steps of slitting a neckable nonwoven web into a plurality of neckable nonwoven strips, passing the neckable nonwoven web between a first pair of nip rollers having a first surface velocity and a second pair of nip rollers having a second surface velocity greater than the first surface velocity, and necking the nonwoven web between the first pair of nip rollers and the second pair of nip rollers.</p>
申请公布号 WO2003091491(P1) 申请公布日期 2003.11.06
申请号 US2003011754 申请日期 2003.04.15
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